/*
 * HND arm trap handling.
 *
 * Copyright (C) 1999-2019, Broadcom.
 *
 *      Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2 (the "GPL"),
 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 * following added to such license:
 *
 *      As a special exception, the copyright holders of this software give you
 * permission to link this software with independent modules, and to copy and
 * distribute the resulting executable under terms of your choice, provided that
 * you also meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module which is
 * not derived from this software.  The special exception does not apply to any
 * modifications of the software.
 *
 *      Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a license
 * other than the GPL, without Broadcom's express prior written consent.
 *
 *
 * <<Broadcom-WL-IPTag/Open:>>
 *
 * $Id: hnd_armtrap.h 545867 2015-04-01 22:45:19Z $
 */

#ifndef _hnd_armtrap_h_
#define _hnd_armtrap_h_

/* ARM trap handling */

/* Trap types defined by ARM (see arminc.h) */

/* Trap locations in lo memory */
#define TRAP_STRIDE 4
#define FIRST_TRAP TR_RST
#define LAST_TRAP (TR_FIQ * TRAP_STRIDE)

#if defined(__ARM_ARCH_7M__)
#define MAX_TRAP_TYPE (TR_ISR + ARMCM3_NUMINTS)
#endif /* __ARM_ARCH_7M__ */

/* The trap structure is defined here as offsets for assembly */
#define TR_TYPE 0x00
#define TR_EPC 0x04
#define TR_CPSR 0x08
#define TR_SPSR 0x0c
#define TR_REGS 0x10
#define TR_REG(n) (TR_REGS + (n)*4)
#define TR_SP TR_REG(13)
#define TR_LR TR_REG(14)
#define TR_PC TR_REG(15)

#define TRAP_T_SIZE 80
#define ASSERT_TRAP_SVC_NUMBER 255

#ifndef _LANGUAGE_ASSEMBLY

#include <typedefs.h>

typedef struct _trap_struct {
    uint32 type;
    uint32 epc;
    uint32 cpsr;
    uint32 spsr;
    uint32 r0;  /* a1 */
    uint32 r1;  /* a2 */
    uint32 r2;  /* a3 */
    uint32 r3;  /* a4 */
    uint32 r4;  /* v1 */
    uint32 r5;  /* v2 */
    uint32 r6;  /* v3 */
    uint32 r7;  /* v4 */
    uint32 r8;  /* v5 */
    uint32 r9;  /* sb/v6 */
    uint32 r10; /* sl/v7 */
    uint32 r11; /* fp/v8 */
    uint32 r12; /* ip */
    uint32 r13; /* sp */
    uint32 r14; /* lr */
    uint32 pc;  /* r15 */
} trap_t;

#endif /* !_LANGUAGE_ASSEMBLY */

#endif /* _hnd_armtrap_h_ */
